Adding test for list command

Signed-off-by: Matt Farina <matt.farina@suse.com>

pkg/cmd/repo_list.go

@@ -37,6 +37,9 @@ func newRepoListCmd(out io.Writer) *cobra.Command {
 		Args:              require.NoArgs,
 		ValidArgsFunction: noMoreArgsCompFunc,
 		RunE: func(cmd *cobra.Command, _ []string) error {
+			// The error is silently ignored. If no repository file exists, it cannot be loaded,
+			// or the file isn't the right format to be parsed the error is ignored. The
+			// repositories will be 0.
 			f, _ := repo.LoadFile(settings.RepositoryConfig)
 			if len(f.Repositories) == 0 && outfmt != output.JSON && outfmt != output.YAML {
 				fmt.Fprintln(cmd.ErrOrStderr(), "no repositories to show")

pkg/cmd/repo_list_test.go

@@ -17,6 +17,8 @@ limitations under the License.
 package cmd
 
 import (
+	"fmt"
+	"path/filepath"
 	"testing"
 )
 
@@ -27,3 +29,26 @@ func TestRepoListOutputCompletion(t *testing.T) {
 func TestRepoListFileCompletion(t *testing.T) {
 	checkFileCompletion(t, "repo list", false)
 }
+
+func TestRepoList(t *testing.T) {
+	rootDir := t.TempDir()
+	repoFile := filepath.Join(rootDir, "repositories.yaml")
+	repoFile2 := "testdata/repositories.yaml"
+
+	tests := []cmdTestCase{
+		{
+			name:      "list with no repos",
+			cmd:       fmt.Sprintf("repo list --repository-config %s --repository-cache %s", repoFile, rootDir),
+			golden:    "output/repo-list-empty.txt",
+			wantError: false,
+		},
+		{
+			name:      "list with repos",
+			cmd:       fmt.Sprintf("repo list --repository-config %s --repository-cache %s", repoFile2, rootDir),
+			golden:    "output/repo-list.txt",
+			wantError: false,
+		},
+	}
+
+	runTestCmd(t, tests)
+}

pkg/cmd/testdata/output/repo-list-empty.txt

@@ -0,0 +1 @@
+no repositories to show

pkg/cmd/testdata/output/repo-list.txt

@@ -0,0 +1,4 @@
+NAME         	URL                          
+charts       	https://charts.helm.sh/stable
+firstexample 	http://firstexample.com      
+secondexample	http://secondexample.com